Update push-action dependency to pin to v1

Author: jordanpadams

.github/workflows/rdd-gen.yml

@@ -51,7 +51,7 @@ jobs:
           git commit --allow-empty -m "Auto-generated RDD by PDSEN CI Bot"
           
       - name: Push changes
-        uses: ad-m/github-push-action@master
+        uses: ad-m/github-push-action@v1
         with:
           github_token: ${{ secrets.ADMIN_GITHUB_TOKEN }}
           branch: ${{ github.ref }}